| 1 | # Copyright 2007-2019 Free Software Foundation, Inc. |
| 2 | |
| 3 | # This program is free software; you can redistribute it and/or modify |
| 4 | # it under the terms of the GNU General Public License as published by |
| 5 | # the Free Software Foundation; either version 3 of the License, or |
| 6 | # (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 15 | |
| 16 | # Please email any bugs, comments, and/or additions to this file to: |
| 17 | # bug-gdb@gnu.org |
| 18 | |
| 19 | # This file is part of the gdb testsuite. |
| 20 | |
| 21 | # Unwinding of DW_CFA_GNU_negative_offset_extended test program. |
| 22 | |
| 23 | # Test i386 unwinder. |
| 24 | |
| 25 | |
| 26 | if { ![is_x86_like_target] } then { |
| 27 | verbose "Skipping i386 unwinder tests." |
| 28 | return |
| 29 | } |
| 30 | |
| 31 | set testfile "i386-gnu-cfi" |
| 32 | set srcfilec ${testfile}.c |
| 33 | set srcfileasm ${testfile}-asm.S |
| 34 | set binfile [standard_output_file ${testfile}] |
| 35 | |
| 36 | # some targets have leading underscores on assembly symbols. |
| 37 | set additional_flags [gdb_target_symbol_prefix_flags] |
| 38 | |
| 39 | if { [gdb_compile "${srcdir}/${subdir}/${srcfilec} ${srcdir}/${subdir}/${srcfileasm}" "${binfile}" executable [list debug $additional_flags]] != "" } { |
| 40 | untested "failed to compile" |
| 41 | return -1 |
| 42 | } |
| 43 | |
| 44 | # Get things started. |
| 45 | |
| 46 | gdb_exit |
| 47 | gdb_start |
| 48 | gdb_reinitialize_dir $srcdir/$subdir |
| 49 | gdb_load ${binfile} |
| 50 | |
| 51 | # We should stop in abort(3). |
| 52 | |
| 53 | gdb_run_cmd |
| 54 | |
| 55 | gdb_test_multiple {} "continue to abort()" { |
| 56 | -re ".*Program received signal SIGABRT,.*$gdb_prompt $" { |
| 57 | pass "continue to abort()" |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | # Backtrace would crash before. |
| 62 | |
| 63 | gdb_test "bt" \ |
| 64 | "main \\(\\) at .*${testfile}.c.*" \ |
| 65 | "backtrace" |
| 66 | |
| 67 | # Check we see the inserted `DW_CFA_GNU_negative_offset_extended' CFI. |
| 68 | # We see there the original CFI-stored filename `gate.c'. |
| 69 | |
| 70 | gdb_test "up 3" \ |
| 71 | "gate \\(\[^()\]*\\) at .*gate.c.*" \ |
| 72 | "shift up to the modified frame" |
| 73 | |
| 74 | gdb_test_multiple "info frame" "existence of the CFI inserted register" { |
| 75 | -re "Stack level 3, frame at (0x\[0-9a-f\]+):.*Saved registers:.* ecx at (0x\[0-9a-f\]+),.*" { |
| 76 | pass "existence of the CFI inserted register" |
| 77 | if { [string compare $expect_out(1,string) $expect_out(2,string)] } then { |
| 78 | fail "value of the CFI inserted register" |
| 79 | } else { |
| 80 | pass "value of the CFI inserted register" |
| 81 | } |
| 82 | } |
| 83 | } |